for good measure

The idiom "for good measure" is related to several other idiomatic expressions, including "for good," "for good and all," and "for the hell of it." These idioms share a common theme of adding or doing something extra, whether it be for emphasis, thoroughness, or simply for the sake of it.

"For good" is a phrase often used to indicate permanence or a final decision. When something is done "for good," it means that it is done permanently or without the intention of returning. This phrase can be seen as an extension of the idea behind "for good measure," as it suggests doing something extra or adding an extra element to ensure finality.

"For good and all" is another idiomatic expression that is similar in meaning to "for good." It is often used to emphasize the permanence or finality of an action. When something is done "for good and all," it means that it is done once and for all, with no intention of going back or changing it. This phrase can also be seen as an extension of the idea of doing something extra or adding an extra element to ensure completeness.

The idiom "for good measure" is related to other idiomatic expressions such as "for good," "for good and all," and "for the hell of it." These idioms all involve adding or doing something extra, whether it be for emphasis, finality, or simply for the sake of it. While each idiom has its own specific meaning and usage, they all contribute to the overall richness and variety of the English language.